NR4A1 and atherosclerosis: To investigate whether TMP-PF could regulate circSCRG1/miR-1268b/NR4A1 signalling to inhibit angiogenesis in atherosclerosis, ox-LDL-induced HUVECs undergoing angiogenesis were treated with TMP-PF, si-circSCRG1 and an miR-1268b inhibitor.